What is gatsby-config.js and how do I use it?

What is gatsby-config.js and how do I use it?

gatsby-config.js is a configuration file for Gatsby, a React-based framework. It allows you to customize your site's settings.

What kind of settings can I configure in gatsby-config.js?

You can configure site metadata, plugins, and various options for your Gatsby site, like image processing and SEO.

Can you give me an example of a basic gatsby-config.js file?

Sure! A basic gatsby-config.js might look like this:

module.exports = {
  siteMetadata: {
    title: 'My Gatsby Site',
    description: 'A simple description of my site',
  },
  plugins: [
    'gatsby-plugin-react-helmet',
    'gatsby-plugin-sass',
  ],
};

How do I add a new plugin to my gatsby-config.js?

To add a new plugin, first install it via npm or yarn, then include it in the plugins array in gatsby-config.js.